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prothorax

[ proh-thawr-aks, -thohr- ]

noun

, plural pro·tho·rax·es, pro·tho·ra·ces [proh-, thawr, -, uh, -seez, -, thohr, -].
  1. the anterior division of the thorax of an insect, bearing the first pair of legs.


prothorax

/ prəʊˈθɔːræks /

noun

  1. the first segment of the thorax of an insect, which bears the first pair of walking legs See also mesothorax metathorax
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Other Words From

  • pro·tho·rac·ic [proh-thaw-, ras, -ik, -thoh-], adjective
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Word History and Origins

Origin of prothorax1

From New Latin, dating back to 1820–30; pro- 1, thorax
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Example Sentences

The 17 prothorax, mesothorax, and metathorax bear spines varying in number.

Elytra fully two-thirds as wide as long, and nearly three-fourths wider than the prothorax.

Prothorax two-thirds wider than long, sides parallel in basal half, convergent anteriorly.

The Praying Mantis is a bright green; she boasts an elongated prothorax and an alert gait.

A narrow and very long prothorax divides the front pair of legs from the two hinder pairs.

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prothoracic glandprothrombin